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National Dormouse Database

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If you have a one-off sighting or sign of a hazel dormouse please tell us about it in the form below. This will help us increase our knowledge of this endangered species and how to protect them. If you have any problems or questions about your entry please call us on 020 7498 4533 or email Thank you.

1. Your Details

2. Your Address

3. Your Sighting




Six figure grid reference (e.g. XX123456) – to find a grid reference visit

4. Pictures

You can also upload some pictures if you have any (max file size:8mb). To add multiple photos click again on the box below to choose more files to upload. By adding your photos you are agreeing to their use by PTES for the promotion of Dormice conservation. Thank you for contributing.

5. Keep me informed

We'd love to tell you all about our conservation work through our regular newsletter Wildlife World, and also how you can save endangered species through volunteering, taking action or donating.

Please contact me by:

The information that you provide will be held by People’s Trust for Endangered Species. For information on how PTES processes personal data, please see our data protection policy. You can change how you hear from us via or by calling 020 7498 4533.

[The biological data collected through this survey, including the locations, is shared with a number of third parties for analysis and to help guide conservation action e.g. statutory agencies, universities and other NGOs. This data never includes your personal details.]

If you have another sighting to report that took place somewhere else or on a different date, you will be able to add another record on the next page.